Ethylenediamine Dihydriodide

Ethylenediamine dihydriodide is an iodine compound used in animal feed. FDA lists it, under the spelling ethylenediamine dihydroiodide, in 21 CFR 582.80, its GRAS list of trace minerals added to animal feeds. Cats need iodine for thyroid hormones. If your cat has hyperthyroidism or is on an iodine-restricted diet, follow your veterinarian's advice on food choice.

Source: ecfr.gov

Ethylenediamine dihydriodide is added as a source of iodine. Cornell Feline Health Center notes that iodine is required for the production of the thyroid hormones T3 and T4. It is used in only a few dry cat foods; most use calcium iodate or potassium iodide instead.

Source: vet.cornell.edu

Yes. EDDI is the short name for ethylenediamine dihydriodide, which is also spelled ethylenediamine dihydroiodide. FDA uses the dihydroiodide spelling in 21 CFR 582.80. Labels use both spellings, so Pettings has a page for each name; this page covers the dihydriodide spelling.

Source: ecfr.gov

Cats need iodine to make thyroid hormones. Cornell Feline Health Center notes that iodine is required for both T3 and T4. The Merck Veterinary Manual adds that kittens with iodine deficiency show clinical signs resembling hyperthyroidism in the early stages.

Source: merckvetmanual.com

Pettings gives ethylenediamine dihydriodide 3 out of 5 and lists it as a mineral. It appears on 3 of the 149 dry cat foods we list. Our How We Score page explains how ingredient scores are set. Each food's page shows how it scores overall.